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  <title>Constructs a ReflectionFunction object</title>

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</div><hr /><div id="reflectionfunction.construct" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ReflectionFunction::__construct</h1>
  <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">ReflectionFunction::__construct</span> &mdash; <span class="dc-title">Constructs a ReflectionFunction object</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-reflectionfunction.construct-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>ReflectionFunction::__construct</strong></span>
    ( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$name</code></span>
   )</div>

  <p class="para rdfs-comment">
   Constructs a <a href="class.reflectionfunction.html" class="classname">ReflectionFunction</a> object.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-reflectionfunction.construct-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">name</code></em></dt>

     <dd>

      <p class="para">
       The name of the function to reflect or a <a href="functions.anonymous.html" class="link">closure</a>.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-reflectionfunction.construct-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   没有返回值。
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-reflectionfunction.construct-errors">
  <h3 class="title">错误／异常</h3>
  <p class="para">
   A <a href="class.reflectionexception.html" class="classname">ReflectionException</a> if the <em><code class="parameter">name</code></em>
   parameter does not contain a valid function.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-reflectionfunction.construct-changelog">
  <h3 class="title">更新日志</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>版本</th>
       <th>说明</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>5.3.0</td>
       <td>
        <em><code class="parameter">name</code></em> can now be a <a href="functions.anonymous.html" class="link">closure</a>.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-reflectionfunction.construct-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-5126">
    <p><strong>Example #1 <span class="methodname"><strong>ReflectionFunction::__construct()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">/**<br />&nbsp;*&nbsp;A&nbsp;simple&nbsp;counter<br />&nbsp;*<br />&nbsp;*&nbsp;@return&nbsp;&nbsp;&nbsp;&nbsp;int<br />&nbsp;*/<br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">counter1</span><span style="color: #007700">()<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;static&nbsp;</span><span style="color: #0000BB">$c&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;++</span><span style="color: #0000BB">$c</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">/**<br />&nbsp;*&nbsp;Another&nbsp;simple&nbsp;counter<br />&nbsp;*<br />&nbsp;*&nbsp;@return&nbsp;&nbsp;&nbsp;&nbsp;int<br />&nbsp;*/<br /></span><span style="color: #0000BB">$counter2&nbsp;</span><span style="color: #007700">=&nbsp;function()<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;static&nbsp;</span><span style="color: #0000BB">$d&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;++</span><span style="color: #0000BB">$d</span><span style="color: #007700">;<br /><br />};<br /><br />function&nbsp;</span><span style="color: #0000BB">dumpReflectionFunction</span><span style="color: #007700">(</span><span style="color: #0000BB">$func</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;Print&nbsp;out&nbsp;basic&nbsp;information<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">printf</span><span style="color: #007700">(<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"\n\n===&gt;&nbsp;The&nbsp;%s&nbsp;function&nbsp;'%s'\n"</span><span style="color: #007700">.<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;declared&nbsp;in&nbsp;%s\n"</span><span style="color: #007700">.<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;lines&nbsp;%d&nbsp;to&nbsp;%d\n"</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isInternal</span><span style="color: #007700">()&nbsp;?&nbsp;</span><span style="color: #DD0000">'internal'&nbsp;</span><span style="color: #007700">:&nbsp;</span><span style="color: #DD0000">'user-defined'</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getName</span><span style="color: #007700">(),<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getFileName</span><span style="color: #007700">(),<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getStartLine</span><span style="color: #007700">(),<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getEndline</span><span style="color: #007700">()<br />&nbsp;&nbsp;&nbsp;&nbsp;);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;Print&nbsp;documentation&nbsp;comment<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"---&gt;&nbsp;Documentation:\n&nbsp;%s\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">var_export</span><span style="color: #007700">(</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getDocComment</span><span style="color: #007700">(),&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">));<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;Print&nbsp;static&nbsp;variables&nbsp;if&nbsp;existant<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">if&nbsp;(</span><span style="color: #0000BB">$statics&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getStaticVariables</span><span style="color: #007700">())<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"---&gt;&nbsp;Static&nbsp;variables:&nbsp;%s\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">var_export</span><span style="color: #007700">(</span><span style="color: #0000BB">$statics</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">));<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;Create&nbsp;an&nbsp;instance&nbsp;of&nbsp;the&nbsp;ReflectionFunction&nbsp;class<br /></span><span style="color: #0000BB">dumpReflectionFunction</span><span style="color: #007700">(new&nbsp;</span><span style="color: #0000BB">ReflectionFunction</span><span style="color: #007700">(</span><span style="color: #DD0000">'counter1'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">dumpReflectionFunction</span><span style="color: #007700">(new&nbsp;</span><span style="color: #0000BB">ReflectionFunction</span><span style="color: #007700">(</span><span style="color: #0000BB">$counter2</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程的输出类似于：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
===&gt; The user-defined function &#039;counter1&#039;
     declared in Z:\reflectcounter.php
     lines 7 to 11
---&gt; Documentation:
 &#039;/**
 * A simple counter
 *
 * @return    int
 */&#039;
---&gt; Static variables: array (
  &#039;c&#039; =&gt; 0,
)


===&gt; The user-defined function &#039;{closure}&#039;
     declared in Z:\reflectcounter.php
     lines 18 to 23
---&gt; Documentation:
 &#039;/**
 * Another simple counter
 *
 * @return    int
 */&#039;
---&gt; Static variables: array (
  &#039;d&#039; =&gt; 0,
)
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-reflectionfunction.construct-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="methodname"><a href="reflectionmethod.construct.html" class="methodname" rel="rdfs-seeAlso">ReflectionMethod::__construct()</a> - Constructs a ReflectionMethod</span></li>
    <li class="member"><a href="language.oop5.decon.html#language.oop5.decon.constructor" class="link">Constructors</a></li>
   </ul>
  </p>
 </div>


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